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Cloud Subtitling 10/23/2019 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Cloud Subtitling Pablo Fernández Moriano @pfmoriano ATA 60th Conference - AST 8 1 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Contents • A quick look at the subtitling industry • Basic concepts • Main online subtitling tools and platforms • Exercises • Q&A ATA 60th Conference - AST 8 2 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Audiovisual products films series documentaries short films videogames training & DVD / Blu-ray other commercial corporative educational interactive multimedia videos videos videos tracks material ATA 60th Conference - AST 8 3 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Client types End client Intermediate Producing & distribution companies Film labs TV networks & content providers Sound dubbing studios Filmmakers Subtitling companies Private corporations Film festivals Advertising agencies Localization agencies Universities and film schools Museums and other cultural or public Translation agencies organizations ATA 60th Conference - AST 8 4 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Subtitling stages Spotting Transcription Translation Proofreading (timing, syncing) Review Subtitle Technical QC QA (rehearse) distribution ATA 60th Conference - AST 8 5 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Work modes • Subtitles – create from scratch – use a template (previously timed subtitles) • Files – local – remote (in the cloud) • Software – your choice – imposed by client ATA 60th Conference - AST 8 6 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Anyone can subtitle • Making amateur subtitles is super easy! – https://www.youtube.com/watch?v=- NxoPqYwVwo&feature=youtu.be&list=PLjdLzz0k39ykXZJ91DcSd5IIXr m4YuGgE • Making professional subtitles... not so simple – https://partnerhelp.netflixstudios.com/hc/en- us/articles/215758617-Timed-Text- ATA 60th Conference - AST 8 7 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Basic parameters in professional subtitling • Characters-per-line limit • Maximum 2 lines per subtitle • Minimum and maximum duration • Suitable reading speed • Minimum gap between subtitles • Keep in mind shot changes • Use colors for closed captions (SDH) ATA 60th Conference - AST 8 8 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 BASIC CONCEPTS ATA 60th Conference - AST 8 9 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Subtitles and Captions • Subtitles provide a video's dialogue in written form (usually in a different language) • Captions include subtitles plus a written description of what is happening in the video (usually in the original video language) for viewers who might not be able to hear or understand the sound, also known as SDH (Subtitles for the Deaf and Hard of hearing) • Closed captions (CC) are the ones that can optionally be hidden or shown ATA 60th Conference - AST 8 10 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 From a technical point of view... • ... they are all the same: subtitles = units contained in files • Many different formats • One common structure: timecodes and text – in-time (TC in) – out-time (TC out) – text line(s) ATA 60th Conference - AST 8 11 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Subtitle file example 1(.srt) ATA 60th Conference - AST 8 12 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Subtitle file example 2 (.plt) ATA 60th Conference - AST 8 13 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Subtitle file example 3 (.xml) ATA 60th Conference - AST 8 14 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Some commonly used subtitle file formats SRT (SubRip Text) •Originally not conceived to support text formatting •Style and position tags can be used, but some programs don’t read them properly ASS (Advanced SubStation Alfa) / SSA (SubStation Alfa) •Supports text formatting (styling and positioning) •Works with style sheets VTT Web Video Text Tracks Format (WebVTT) •Widely used on internet platforms ATA 60th Conference - AST 8 15 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Subtitles – basic concepts • In/out (start/end) timecodes (times, cues, time cues) • Subtitle duration (= TC out - TC in) • Length (spaces and punctuation marks included): – characters per line – total characters per subtitle • Reading speed • Gap between subtitles and shot changes ATA 60th Conference - AST 8 16 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Reading speed • Measured in characters per second (cps) – Sometimes, in words per minute (wpm) • 6-second rule: an average reader needs 6 seconds to read the subtitles with two lines of 37 characters each (i. e. 12 cps) • Usually between 12-20 cps ATA 60th Conference - AST 8 17 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Video – basic concepts • Frame (picture, image) • Running time (video duration) • Video framerate • Timecode (TC) ATA 60th Conference - AST 8 18 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Video: moving picture • A series of images projected in a certain amount of time 1 2 3 4 16 frames per second 5 6 7 8 9 10 11 12 13 14 15 16 moving picture ATA 60th Conference - AST 8 19 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Frame: minimum unit of image • Sizes vary according to video type • Example: 35 mm cinema ATA 60th Conference - AST 8 20 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Video measurement units • A video's duration (or extension) can be measured in: – number of images that make up the video length units: feet and frames OR – amount of time elapsed while playing those images time units: hours, minutes, seconds, and milliseconds ATA 60th Conference - AST 8 21 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Video framerate 16 fps • Measured in frames per second (fps) • Varies depending on projection medium or system File containing 24 fps (cinema: DCP, 35 mm) encoded24 fps data 25 fps (PAL video) audio and video 30 fps (29,97 fps) (NTSC video) ATA 60th Conference - AST 8 22 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Timecode - 3 main types 1. feet . frames ...999.15 2. hours : minutes : seconds . milliseconds 59:59:59.999 3. hours : minutes : seconds : frames Number of second fractions depends on video framerate 24 fps-> 59:59:59:23 (cinema DCP, 35 mm) 25 fps-> 59:59:59:24 (PAL video) 30 fps-> 59:59:59:29 (NTSC video) ATA 60th Conference - AST 8 23 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Timecode reading (TCR) burnt in on screen relative TCR TC in feet and (indicates reels, frames (absolute) not hours) ATA 60th Conference - AST 8 24 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Milliseconds/frames equivalence Example: 25 fps video 25 f = 1 s <····· ·····> 0 ms 1000 ms <····· ·····> 1 f = 40 ms ATA 60th Conference - AST 8 25 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 SUBTITLE SPOTTING ATA 60th Conference - AST 8 26 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Definition • Spotting, timing, syncing, time-cueing... Different names for the process of assigning in and out timecodes to a text fragment so it becomes a subtitle. ATA 60th Conference - AST 8 27 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 General directions (unless otherwise indicated by client) • Good rule of thumb: ‘nail the in-time’, ‘extend the out-time’ – Nail the in-time: TC IN as close to start of spoken intervention as possible (max. 10 f before or after start) • A subtitle that comes in before speech start looks worse than one that comes in later – Extend the out-time (TC OUT): leave a small ‘tail’ after each spoken intervention (5-30 f), do not spot exactly on voice stop (except when next intervention comes immediately after) ATA 60th Conference - AST 8 28 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 General directions • Segmentation (subtitle and line breaks): – Do not break sense blocks or grammatical units – observe visual balance • Take into consideration dialogue and action rhythm: – Film edition (shot and scene changes) – Dramatic pauses and effects, humor... ATA 60th Conference - AST 8 29 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 General directions • Shot changes (SC): – It is a good practice (not compulsory) not to start or end a subtitle right on the SC, but rather leave at least 2 frames before or after the SC – Try timing to shot changes (avoid subtitles that remain on screen after a SC) whenever possible – If a subtitle must cross the SC, extend it at least 12 f from it or up to the next SC (-2 f) – Never make subtitles of less than 16 f duration in fast shot change sequences (e. g. shot/countershot) ATA 60th Conference - AST 8 30 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 General directions • Minimum gap: – Between subtitles: 2 f to 1/4 s (~6 f) average: 4 f – Between shot changes: 2-8 f average: 2 f before and 2 f after shot change (4 f in total) ATA 60th Conference - AST 8 31 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 General directions • Subtitle position and height: – Avoid subtitles overlapping with narrative titles and other on-screen text that may interfere with reading (raise or move them to minimize obstruction) – Audible information in SDH captions ATA 60th Conference - AST 8 32 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Credit • The subtitler(s) should be credited adding one or several last subtitles acknowledging the translator, the subtitler and even the proofreader Normally, at the end of the credit roll. Example: Translation: Jane Doe Subtitles: John Smith Proofreading: Smane Joe ATA 60th Conference - AST 8 33 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 ALWAYS KEEP IN MIND: • Characters-per-line limit • Reading speed limits • Minimum gaps (both between subtitles and SC) • Line segmentation ATA 60th Conference - AST 8 34 Pablo Fernández Moriano -Cloud Subtitling 10/23/2019 Our guidelines • 38 characters per line • 1 line per subtitle (minimum) • Lines per subtitle: min. 1, max. 2 • 16 cps (target reading speed) • Duration: min.
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